A high platelet count can lead to blood clots and bleeding, which can be dangerous. Reactive thrombocytosis is often linked to another cause of infection or inflammation and usually resolves on its ...

Essential thrombocythemia is a chronic condition with excessive platelet production, increasing thrombosis risk, and is often linked to JAK2, CALR, or MPL mutations. Stage 1 ET is manageable with ...

Medically reviewed by Doru Paul, MD Key Takeaways An MPV blood test measures the average size of your platelets to help assess blood health.High MPV means your body is making new platelets quickly ...